Class: Yast::ArchClass

Inherits:
Module
  • Object
show all
Defined in:
library/general/src/modules/Arch.rb

Overview

Representing architecture information yast have.

rubocop:disable Naming/VariableNumber Reason for disable is that API is stable and some method names follows domain conventions

Instance Method Summary collapse

Instance Method Details

#aarch64 ⇒ Object

true for all aarch64 (ARM64) architectures



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# File 'library/general/src/modules/Arch.rb', line 173

def aarch64
  architecture == "aarch64"
end

#alpha ⇒ Object

true for all alpha architectures



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# File 'library/general/src/modules/Arch.rb', line 131

def alpha
  architecture == "alpha"
end

#arch_short ⇒ String

Returns general architecture type (one of sparc, ppc, s390, i386, alpha, ia64, x86_64, arm, aarch64)

Returns:



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# File 'library/general/src/modules/Arch.rb', line 185

def arch_short
  if sparc
    "sparc"
  elsif ppc
    "ppc"
  elsif s390
    "s390"
  else
    architecture
  end
end

#architecture ⇒ String

Returns full architecture type (one of i386, sparc, sparc64, ppc, ppc64, alpha, s390_32, s390_64, ia64, x86_64, arm, aarch64, risv64)

Returns:



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# File 'library/general/src/modules/Arch.rb', line 74

def architecture
  if @_architecture.nil?
    @_architecture = Convert.to_string(
      SCR.Read(path(".probe.architecture"))
    )
  end
  @_architecture
end

#arm ⇒ Object

true for all 32-bit ARM architectures



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# File 'library/general/src/modules/Arch.rb', line 168

def arm
  architecture == "arm"
end

#board_chrp ⇒ Object

true for all "CHRP" ppc boards



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# File 'library/general/src/modules/Arch.rb', line 298

def board_chrp
  ppc && board_compatible == "CHRP"
end

#board_compatible ⇒ Object

general system board types (initialized in constructor)



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# File 'library/general/src/modules/Arch.rb', line 200

def board_compatible
  if @_board_compatible.nil?
    @_checkgeneration = ""
    systemProbe = Convert.convert(
      SCR.Read(path(".probe.system")),
      from: "any",
      to:   "list <map>"
    )
    systemProbe = [] if systemProbe.nil?

    Builtins.foreach(systemProbe) do |entry|
      checksys = Ops.get_string(entry, "system", "")
      @_checkgeneration = Ops.get_string(entry, "generation", "")
      @_board_compatible = checksys if checksys != ""
    end
    Builtins.y2milestone("_board_compatible '%1' \n", @_board_compatible)
    @_board_compatible = "wintel" if i386 || x86_64
    # hwinfo expects CHRP/PReP/iSeries/MacRISC*/PowerNV in /proc/cpuinfo
    # there is no standard for the board identification
    # Cell and Maple based boards have no CHRP in /proc/cpuinfo
    # Pegasos and Cell do have CHRP in /proc/cpuinfo, but Pegasos2 should no be handled as CHRP
    # Efika is handled like Pegasos for the time being

    if ppc && (@_board_compatible.nil? || @_board_compatible == "CHRP")
      device_type = Convert.to_map(
        SCR.Execute(
          path(".target.bash_output"),
          "/usr/bin/echo -n `/usr/bin/cat /proc/device-tree/device_type`",
          {}
        )
      )
      model = Convert.to_map(
        SCR.Execute(
          path(".target.bash_output"),
          "/usr/bin/echo -n `/usr/bin/cat /proc/device-tree/model`",
          {}
        )
      )
      board = Ops.get_string(model, "stdout", "")
      Builtins.y2milestone(
        "model %1 , device_type %2\n",
        model,
        device_type
      )
      # catch remaining IBM boards
      if Builtins.issubstring(
        Ops.get_string(device_type, "stdout", ""),
        "chrp"
      )
        @_board_compatible = "CHRP"
      end
      # Maple has its own way of pretenting OF1275 compliance
      @_board_compatible = "CHRP" if ["Momentum,Maple-D", "Momentum,Maple-L", "Momentum,Maple"].include?(board)
      # Pegasos has CHRP in /proc/cpuinfo and 'chrp' in /proc/device-tree/device_type
      if board == "Pegasos2" ||
          Builtins.issubstring(
            Builtins.tolower(Ops.get_string(device_type, "stdout", "")),
            "pegasos2"
          )
        @_board_compatible = "Pegasos"
      end
      # Efika has CHRP in /proc/cpuinfo and 'efika' in /proc/device-tree/device_type
      if Builtins.issubstring(Builtins.tolower(board), "efika") ||
          Builtins.issubstring(
            Builtins.tolower(Ops.get_string(device_type, "stdout", "")),
            "efika"
          )
        @_board_compatible = "Pegasos"
      end
    end
    # avoid future re-probing if probing failed
    # also avoid passing nil outside the module
    @_board_compatible = "" if fun_ref(method(:board_compatible), "string ()").nil?
  end
  @_board_compatible
end

#board_iseries ⇒ Object

true for all "iSeries" ppc boards



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# File 'library/general/src/modules/Arch.rb', line 309

def board_iseries
  ppc && board_compatible == "iSeries"
end

#board_mac ⇒ Object

true for all PPC "MacRISC" boards



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# File 'library/general/src/modules/Arch.rb', line 278

def board_mac
  ppc &&
    (board_compatible == "MacRISC" || board_compatible == "MacRISC2" ||
      board_compatible == "MacRISC3" ||
      board_compatible == "MacRISC4")
end

#board_mac_new ⇒ Object

true for all "NewWorld" PowerMacs



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# File 'library/general/src/modules/Arch.rb', line 286

def board_mac_new
  # board_mac calls board_compatible which initializes _checkgeneration
  board_mac && @_checkgeneration == "NewWorld"
end

#board_mac_old ⇒ Object

true for all "OldWorld" powermacs



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# File 'library/general/src/modules/Arch.rb', line 292

def board_mac_old
  # board_mac calls board_compatible which initializes _checkgeneration
  board_mac && @_checkgeneration == "OldWorld"
end

#board_pegasos ⇒ Object

true for all "Pegasos" and "Efika" ppc boards



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# File 'library/general/src/modules/Arch.rb', line 319

def board_pegasos
  ppc && board_compatible == "Pegasos"
end

#board_powernv ⇒ Object

true for all baremetal Power8 systems https://github.com/open-power/docs



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# File 'library/general/src/modules/Arch.rb', line 304

def board_powernv
  ppc && board_compatible == "PowerNV"
end

#board_prep ⇒ Object

true for all "PReP" ppc boards



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# File 'library/general/src/modules/Arch.rb', line 314

def board_prep
  ppc && board_compatible == "PReP"
end

#board_wintel ⇒ Object

true for all "Windows/Intel" compliant boards (x86 based)



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# File 'library/general/src/modules/Arch.rb', line 324

def board_wintel
  board_compatible == "wintel"
end

#has_pcmcia ⇒ Object

true if the system supports PCMCIA But modern notebook computers do not have it. See also Bugzilla #151813#c10

Returns:

  • true if the system supports PCMCIA

See Also:



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# File 'library/general/src/modules/Arch.rb', line 335

def has_pcmcia
  @_has_pcmcia = Convert.to_boolean(SCR.Read(path(".probe.has_pcmcia"))) if @_has_pcmcia.nil?
  @_has_pcmcia
end

#has_smp ⇒ Object

true if running on multiprocessor board. This only reflects the board, not the actual number of CPUs or the running kernel!

Returns:

  • true if running on multiprocessor board



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# File 'library/general/src/modules/Arch.rb', line 485

def has_smp
  @_has_smp = Convert.to_boolean(SCR.Read(path(".probe.has_smp"))) if @_has_smp.nil?
  if alpha
    # get smp for alpha from /etc/install.inf
    setSMP(SCR.Read(path(".etc.install_inf.SMP")) == "1")
  end
  @_has_smp
end

#i386 ⇒ Object

true for all x86 compatible architectures



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# File 'library/general/src/modules/Arch.rb', line 84

def i386
  architecture == "i386"
end

#ia64 ⇒ Object

Deprecated.

Itanium is no longer supported

true for all IA64 (itanium) architectures



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# File 'library/general/src/modules/Arch.rb', line 158

def ia64
  architecture == "ia64"
end

#is_kvm ⇒ Object

true if KVM is running

Returns:

  • true if we are running on KVM hypervisor



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# File 'library/general/src/modules/Arch.rb', line 440

def is_kvm
  if @_is_kvm.nil?
    # KVM hypervisor has /dev/kvm file
    stat = Convert.to_map(SCR.Read(path(".target.stat"), "/dev/kvm"))
    Builtins.y2milestone("stat /dev/kvm: %1", stat)

    @_is_kvm = Ops.greater_than(Builtins.size(stat), 0)
  end

  @_is_kvm
end

#is_laptop ⇒ Object

true if the system runs on laptop

Returns:

  • if the system is a laptop



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# File 'library/general/src/modules/Arch.rb', line 343

def is_laptop
  if @_is_laptop.nil?
    system = Convert.convert(
      SCR.Read(path(".probe.system")),
      from: "any",
      to:   "list <map>"
    )
    formfactor = Ops.get_string(system, [0, "formfactor"], "")
    @_is_laptop = formfactor == "laptop"
  end
  @_is_laptop
end

#is_uml ⇒ Object

Deprecated.

true if UML

Returns:

  • true if the system is UML



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# File 'library/general/src/modules/Arch.rb', line 372

def is_uml
  @_is_uml = Convert.to_boolean(SCR.Read(path(".probe.is_uml"))) if @_is_uml.nil?
  @_is_uml
end

#is_virtual ⇒ Boolean

Whether the system is running over a virtualized environment

Returns:

  • (Boolean) 


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# File 'library/general/src/modules/Arch.rb', line 359

def is_virtual
  return @_is_virtual unless @_is_virtual.nil?

  @_is_virtual = SCR.Read(path(".target.string"), "/proc/cpuinfo")
    .to_s.match?("^flags.*hypervisor.*\n")
end

#is_wsl ⇒ Boolean

Determines whether the system is running on WSL

Returns:

  • (Boolean) —

    true if runs on WSL; false otherwise



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# File 'library/general/src/modules/Arch.rb', line 511

def is_wsl
  # As of 2020-07-24 /proc/sys/kernel/osrelease contains
  # "4.4.0-19041-Microsoft" on wsl1 and
  # "4.19.104-microsoft-standard" on wsl2.
  # Match on lowercase  "-microsoft"
  SCR.Read(path(".target.string"), "/proc/sys/kernel/osrelease").to_s.downcase.include?("-microsoft")
end

#is_xen ⇒ Boolean

Whether the Xen kernel is running

Returns:

  • (Boolean) —

    true if the Xen kernel is running; false otherwise

See Also:



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# File 'library/general/src/modules/Arch.rb', line 385

def is_xen
  return @_is_xen unless @_is_xen.nil?

  @_is_xen = SCR.Read(path(".target.stat"), "/proc/xen")["isdir"] || false
end

#is_xen0 ⇒ Boolean

Whether it is a Xen host (dom0)

Returns:

  • (Boolean) —

    true if it is a Xen dom0; false otherwise

See Also:



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# File 'library/general/src/modules/Arch.rb', line 398

def is_xen0
  return @_is_xen0 unless @_is_xen0.nil?

  @_is_xen0 = is_xen && xen_capabilities.include?("control_d")
end

#is_xenU ⇒ Boolean

Whether it is a Xen guest (domU)

Returns:

  • (Boolean) —

    true if it is a Xen domU; false otherwise

See Also:



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# File 'library/general/src/modules/Arch.rb', line 411

def is_xenU
  is_xen && !is_xen0
end

#is_zkvm ⇒ Object

zKVM means KVM on IBM System z true if zKVM is running

Returns:

  • true if we are running on zKVM hypervisor



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# File 'library/general/src/modules/Arch.rb', line 459

def is_zkvm
  if @_is_zkvm.nil?
    # using different check than on x86 as recommended by IBM
    @_is_zkvm = s390 && Yast::WFM.Execute(path(".local.bash"), "/usr/bin/grep 'Control Program: KVM' /proc/sysinfo") == 0
  end

  @_is_zkvm
end

#main ⇒ Object 



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# File 'library/general/src/modules/Arch.rb', line 37

def main
  # local variables

  @_architecture = nil

  @_board_compatible = nil

  @_checkgeneration = ""

  @_has_pcmcia = nil

  @_is_laptop = nil

  @_is_uml = nil

  @_has_smp = nil

  # Xen domain (dom0 or domU)
  @_is_xen = nil

  # Xen dom0
  @_is_xen0 = nil

  # KVM
  @_is_kvm = nil

  # zKVM
  @_is_zkvm = nil
end

#paravirtualized_xen_guest? ⇒ Boolean

Whether a Xen guest is paravirtualized (PV) or not (HVM)

Returns:

  • (Boolean) —

    true if it is a PV Xen domU; false otherwise

See Also:



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# File 'library/general/src/modules/Arch.rb', line 421

def paravirtualized_xen_guest?
  return false unless is_xenU

  SCR.Read(path(".target.string"), "/sys/hypervisor/guest_type").strip == "PV"
end

#ppc ⇒ Object

true for all ppc architectures (32 or 64 bit)

See Also:



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# File 'library/general/src/modules/Arch.rb', line 126

def ppc
  ppc32 || ppc64
end

#ppc32 ⇒ Object

true for all 32bit ppc architectures

See Also:



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# File 'library/general/src/modules/Arch.rb', line 112

def ppc32
  architecture == "ppc"
end

#ppc64 ⇒ Object

true for all 64bit ppc architectures

See Also:



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# File 'library/general/src/modules/Arch.rb', line 119

def ppc64
  architecture == "ppc64"
end

#riscv64 ⇒ Object

true for all riscv64 (RISC-V 64-bit) architectures



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# File 'library/general/src/modules/Arch.rb', line 178

def riscv64
  architecture == "riscv64"
end

#rpm_arch ⇒ String

Returns the architecture expected by SCC

Returns:



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# File 'library/general/src/modules/Arch.rb', line 531

def rpm_arch
  RPM_ARCH[architecture] || architecture
end

#s390 ⇒ Object

true for all S/390 architectures (32 or 64 bit)

See Also:



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# File 'library/general/src/modules/Arch.rb', line 152

def s390
  s390_32 || s390_64
end

#s390_32 ⇒ Object

true for all 32bit S/390 architectures

See Also:



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# File 'library/general/src/modules/Arch.rb', line 138

def s390_32
  architecture == "s390_32"
end

#s390_64 ⇒ Object

true for all 64bit S/390 architectures

See Also:



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# File 'library/general/src/modules/Arch.rb', line 145

def s390_64
  architecture == "s390_64"
end

#setSMP(is_smp) ⇒ Object

Set "Arch::has_smp ()". Since Alpha doesn't reliably probe smp, 'has_smp' must be set later with this function.

Examples:

setSMP(true);

Parameters:

  • is_smp (Boolean) —

    true if has_smp should be true



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# File 'library/general/src/modules/Arch.rb', line 475

def setSMP(is_smp)
  @_has_smp = is_smp

  nil
end

#sparc ⇒ Object

true for all sparc architectures (32 or 64 bit)

See Also:



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# File 'library/general/src/modules/Arch.rb', line 105

def sparc
  sparc32 || sparc64
end

#sparc32 ⇒ Object

true for all 32bit sparc architectures

See Also:



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# File 'library/general/src/modules/Arch.rb', line 91

def sparc32
  architecture == "sparc"
end

#sparc64 ⇒ Object

true for all 64bit sparc architectures

See Also:



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# File 'library/general/src/modules/Arch.rb', line 98

def sparc64
  architecture == "sparc64"
end

#x11_setup_needed ⇒ Object

run X11 configuration after inital boot this is false in case of: installation on iSeries, installation on S390

Returns:

  • true when the X11 configuration is needed after inital boot

See Also:

  • Yast::ArchClass#Installation#Installation::x11_setup_needed


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# File 'library/general/src/modules/Arch.rb', line 501

def x11_setup_needed
  # disable X11 setup after initial boot
  return false if board_iseries || s390

  true
end

#x86_64 ⇒ Object

true for all x86-64 (AMD Hammer) architectures



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# File 'library/general/src/modules/Arch.rb', line 163

def x86_64
  architecture == "x86_64"
end

#xen_capabilities ⇒ String

Convenience method to retrieve the /proc/xen/capabilities content

Returns:



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# File 'library/general/src/modules/Arch.rb', line 430

def xen_capabilities
  SCR.Read(path(".target.string"), "/proc/xen/capabilities").to_s
end